Mycoplasma pneumoniae in lower respiratory tract infections.
D000328:Adult; D000368:Aged; D003168:Complement Fixation Tests; D005455:Fluorescent Antibody Technique; D006801:Humans; D066298:In Vitro Techniques; D008297:Male; D008875:Middle Aged; D009174:Mycoplasma / Q000276:immunology* / Q000302:isolation & purification; D012141:Respiratory Tract Infections / Q000209:etiology* / Q000276:immunology*; D012698:Serologic Tests